這篇文章主要介紹Android如何實現京東秒殺界面,文中介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們一定要看完!
具體內容如下
效果圖:

京東秒殺是兩個小時一個場次,判斷本機的時間進行場次定時,然后在這兩個小時里面進行倒計時。
MainActivity
package com.bwie.com.myapplication;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
private TextView miaosha_time;
private TextView miaosha_shi;
private TextView miaosha_minter;
private TextView miaosha_second;
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
setTime();
sendEmptyMessageDelayed(0, 1000);
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
handler.sendEmptyMessage(0);
}
public void initView(){
miaosha_time = (TextView) findViewById(R.id.tv_miaosha_time);
miaosha_shi = (TextView) findViewById(R.id.tv_miaosha_shi);
miaosha_minter = (TextView) findViewById(R.id.tv_miaosha_minter);
miaosha_second = (TextView) findViewById(R.id.tv_miaosha_second);
}
//秒殺倒計時
public void setTime() {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date curDate = new Date(System.currentTimeMillis());
String format = df.format(curDate);
StringBuffer buffer = new StringBuffer();
String substring = format.substring(0, 11);
buffer.append(substring);
Log.d("ccc", substring);
Calendar calendar = Calendar.getInstance();
int hour = calendar.get(Calendar.HOUR_OF_DAY);
if (hour % 2 == 0) {
miaosha_time.setText(hour + "點場");
buffer.append((hour + 2));
buffer.append(":00:00");
} else {
miaosha_time.setText((hour - 1) + "點場");
buffer.append((hour + 1));
buffer.append(":00:00");
}
String totime = buffer.toString();
try {
java.util.Date date = df.parse(totime);
java.util.Date date1 = df.parse(format);
long defferenttime = date.getTime() - date1.getTime();
long days = defferenttime / (1000 * 60 * 60 * 24);
long hours = (defferenttime - days * (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);
long minute = (defferenttime - days * (1000 * 60 * 60 * 24) - hours * (1000 * 60 * 60)) / (1000 * 60);
long seconds = defferenttime % 60000;
long second = Math.round((float) seconds / 1000);
miaosha_shi.setText("0" + hours + "");
if (minute >= 10) {
miaosha_minter.setText(minute + "");
} else {
miaosha_minter.setText("0" + minute + "");
}
if (second >= 10) {
miaosha_second.setText(second + "");
} else {
miaosha_second.setText("0" + second + "");
}
} catch (ParseException e) {
e.printStackTrace();
}
}
}布局文件:
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.bwie.com.myapplication.MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="40dp" android:gravity="center_vertical"> <TextView android:id="@+id/tv_miaosha" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:text="京東秒殺" android:textColor="#f00" /> <TextView android:id="@+id/tv_miaosha_time" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="5dp" android:text="10點場" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content"> <TextView android:id="@+id/tv_miaosha_shi" android:layout_width="15dp" android:layout_height="15dp" android:background="@drawable/shape_miaosha_time" android:gravity="center" android:text="1" android:textColor="#fff" android:textSize="10sp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="3dp" android:text=":" /> <TextView android:id="@+id/tv_miaosha_minter" android:layout_width="15dp" android:layout_height="15dp" android:background="@drawable/shape_miaosha_time" android:gravity="center" android:text="1" android:textColor="#fff" android:textSize="10sp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="3dp" android:text=":" /> <TextView android:id="@+id/tv_miaosha_second" android:layout_width="15dp" android:layout_height="15dp" android:background="@drawable/shape_miaosha_time" android:gravity="center" android:text="1" android:textColor="#fff" android:textSize="10sp" /> </LinearLayout> </LinearLayout> </RelativeLayout>
shape_miaosha_time.xml(對倒計時小黑框圓角的實現)
<?xml version="1.0" encoding="utf-8"?> <shape android:shape="rectangle" xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#000"></solid> <corners android:radius="3dp"></corners> </shape>
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